the obama campaign released this ad just this morning. it pokes a little more fun at mitt romney's pledge to cut funding for public tv. >>> mitt romney's poll numbers jumped after last week's presidential debate. a few research survey three weeks ago gave president obama an eight point lead among likely voters. now romney has taken a four- point lead in and you dated survey and is talking -- in an updated survey and is talking about foreign policy issues blasting the president on the middle east. >> it's clear that the risk of conflict in the region is higher now than when the president took office. it's time to change course in the middle east. that course should be organized around these bedroom principles: america must have confidence in our cause, clarity in our purpose, and resolve in our might. >> the obama campaign is dismissing romney's remarks as sabre rattling aimed at covering up his own foreign blunners. >>> as campaign 2012 heats up, cbssf.com is holding a series of presidential forums online. the candidates answering our que